Panchaud, Nadia H., and Lorenz Hurni. “Integrating Cartographic Knowledge Within a Geoportal: Interactions and Feedback in the User Interface”. Cartographic Perspectives, no. 89 (April 11, 2018): 5–24. Accessed April 25, 2024. https://cartographicperspectives.org/index.php/journal/article/view/cp89-pr1.